2 * Copyright (c) 2014, 2015 Cisco Systems, Inc. and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
9 package org.opendaylight.controller.cluster.datastore;
11 import static org.junit.Assert.assertEquals;
12 import static org.junit.Assert.assertNotNull;
13 import static org.junit.Assert.assertNull;
14 import static org.junit.Assert.assertSame;
15 import static org.junit.Assert.assertTrue;
16 import static org.mockito.Mockito.mock;
17 import static org.mockito.Mockito.never;
18 import static org.mockito.Mockito.times;
19 import static org.mockito.Mockito.verify;
20 import akka.actor.ActorRef;
21 import akka.actor.ActorSystem;
22 import akka.actor.AddressFromURIString;
23 import akka.actor.Props;
24 import akka.actor.Status;
25 import akka.actor.Status.Failure;
26 import akka.actor.Status.Success;
27 import akka.actor.Terminated;
28 import akka.cluster.Cluster;
29 import akka.cluster.ClusterEvent;
30 import akka.dispatch.Dispatchers;
31 import akka.japi.Creator;
32 import akka.pattern.Patterns;
33 import akka.persistence.RecoveryCompleted;
34 import akka.serialization.Serialization;
35 import akka.testkit.JavaTestKit;
36 import akka.testkit.TestActorRef;
37 import akka.util.Timeout;
38 import com.google.common.base.Function;
39 import com.google.common.base.Optional;
40 import com.google.common.base.Stopwatch;
41 import com.google.common.collect.ImmutableMap;
42 import com.google.common.collect.ImmutableSet;
43 import com.google.common.collect.Lists;
44 import com.google.common.collect.Sets;
45 import com.google.common.util.concurrent.Uninterruptibles;
46 import com.typesafe.config.ConfigFactory;
48 import java.util.AbstractMap;
49 import java.util.ArrayList;
50 import java.util.Arrays;
51 import java.util.Collection;
52 import java.util.Collections;
53 import java.util.HashMap;
54 import java.util.List;
56 import java.util.Map.Entry;
58 import java.util.concurrent.CountDownLatch;
59 import java.util.concurrent.TimeUnit;
60 import java.util.concurrent.TimeoutException;
61 import org.apache.commons.lang3.SerializationUtils;
62 import org.junit.After;
63 import org.junit.Before;
64 import org.junit.Test;
65 import org.mockito.Mock;
66 import org.mockito.Mockito;
67 import org.mockito.MockitoAnnotations;
68 import org.opendaylight.controller.cluster.datastore.config.Configuration;
69 import org.opendaylight.controller.cluster.datastore.config.ConfigurationImpl;
70 import org.opendaylight.controller.cluster.datastore.config.EmptyModuleShardConfigProvider;
71 import org.opendaylight.controller.cluster.datastore.config.ModuleShardConfiguration;
72 import org.opendaylight.controller.cluster.datastore.exceptions.AlreadyExistsException;
73 import org.opendaylight.controller.cluster.datastore.exceptions.NoShardLeaderException;
74 import org.opendaylight.controller.cluster.datastore.exceptions.NotInitializedException;
75 import org.opendaylight.controller.cluster.datastore.exceptions.PrimaryNotFoundException;
76 import org.opendaylight.controller.cluster.datastore.identifiers.ShardIdentifier;
77 import org.opendaylight.controller.cluster.datastore.identifiers.ShardManagerIdentifier;
78 import org.opendaylight.controller.cluster.datastore.messages.ActorInitialized;
79 import org.opendaylight.controller.cluster.datastore.messages.AddShardReplica;
80 import org.opendaylight.controller.cluster.datastore.messages.CreateShard;
81 import org.opendaylight.controller.cluster.datastore.messages.DatastoreSnapshot;
82 import org.opendaylight.controller.cluster.datastore.messages.DatastoreSnapshot.ShardSnapshot;
83 import org.opendaylight.controller.cluster.datastore.messages.FindLocalShard;
84 import org.opendaylight.controller.cluster.datastore.messages.FindPrimary;
85 import org.opendaylight.controller.cluster.datastore.messages.LocalPrimaryShardFound;
86 import org.opendaylight.controller.cluster.datastore.messages.LocalShardFound;
87 import org.opendaylight.controller.cluster.datastore.messages.LocalShardNotFound;
88 import org.opendaylight.controller.cluster.datastore.messages.PeerDown;
89 import org.opendaylight.controller.cluster.datastore.messages.PeerUp;
90 import org.opendaylight.controller.cluster.datastore.messages.PrimaryShardInfo;
91 import org.opendaylight.controller.cluster.datastore.messages.RemotePrimaryShardFound;
92 import org.opendaylight.controller.cluster.datastore.messages.RemoveShardReplica;
93 import org.opendaylight.controller.cluster.datastore.messages.ShardLeaderStateChanged;
94 import org.opendaylight.controller.cluster.datastore.messages.SwitchShardBehavior;
95 import org.opendaylight.controller.cluster.datastore.messages.UpdateSchemaContext;
96 import org.opendaylight.controller.cluster.datastore.utils.ForwardingActor;
97 import org.opendaylight.controller.cluster.datastore.utils.MockClusterWrapper;
98 import org.opendaylight.controller.cluster.datastore.utils.MockConfiguration;
99 import org.opendaylight.controller.cluster.datastore.utils.PrimaryShardInfoFutureCache;
100 import org.opendaylight.controller.cluster.notifications.LeaderStateChanged;
101 import org.opendaylight.controller.cluster.notifications.RegisterRoleChangeListener;
102 import org.opendaylight.controller.cluster.notifications.RoleChangeNotification;
103 import org.opendaylight.controller.cluster.raft.RaftState;
104 import org.opendaylight.controller.cluster.raft.TestActorFactory;
105 import org.opendaylight.controller.cluster.raft.base.messages.FollowerInitialSyncUpStatus;
106 import org.opendaylight.controller.cluster.raft.base.messages.SwitchBehavior;
107 import org.opendaylight.controller.cluster.raft.client.messages.GetSnapshot;
108 import org.opendaylight.controller.cluster.raft.messages.AddServer;
109 import org.opendaylight.controller.cluster.raft.messages.AddServerReply;
110 import org.opendaylight.controller.cluster.raft.messages.RemoveServer;
111 import org.opendaylight.controller.cluster.raft.messages.RemoveServerReply;
112 import org.opendaylight.controller.cluster.raft.messages.ServerChangeStatus;
113 import org.opendaylight.controller.cluster.raft.messages.ServerRemoved;
114 import org.opendaylight.controller.cluster.raft.policy.DisableElectionsRaftPolicy;
115 import org.opendaylight.controller.cluster.raft.utils.InMemoryJournal;
116 import org.opendaylight.controller.cluster.raft.utils.InMemorySnapshotStore;
117 import org.opendaylight.controller.cluster.raft.utils.MessageCollectorActor;
118 import org.opendaylight.controller.md.cluster.datastore.model.TestModel;
119 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTree;
120 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
121 import org.slf4j.Logger;
122 import org.slf4j.LoggerFactory;
123 import scala.concurrent.Await;
124 import scala.concurrent.Future;
125 import scala.concurrent.duration.FiniteDuration;
127 public class ShardManagerTest extends AbstractActorTest {
128 private static final Logger LOG = LoggerFactory.getLogger(ShardManagerTest.class);
130 private static int ID_COUNTER = 1;
132 private final String shardMrgIDSuffix = "config" + ID_COUNTER++;
133 private final String shardMgrID = ShardManagerIdentifier.builder().type(shardMrgIDSuffix).build().toString();
136 private static CountDownLatch ready;
138 private static TestActorRef<MessageCollectorActor> mockShardActor;
140 private static String mockShardName;
142 private final DatastoreContext.Builder datastoreContextBuilder = DatastoreContext.newBuilder().
143 dataStoreName(shardMrgIDSuffix).shardInitializationTimeout(600, TimeUnit.MILLISECONDS)
144 .shardHeartbeatIntervalInMillis(100).shardElectionTimeoutFactor(6);
146 private final Collection<ActorSystem> actorSystems = new ArrayList<>();
148 private final TestActorFactory actorFactory = new TestActorFactory(getSystem());
151 public void setUp() {
152 MockitoAnnotations.initMocks(this);
154 InMemoryJournal.clear();
155 InMemorySnapshotStore.clear();
157 if(mockShardActor == null) {
158 mockShardName = new ShardIdentifier(Shard.DEFAULT_NAME, "member-1", "config").toString();
159 mockShardActor = TestActorRef.create(getSystem(), Props.create(MessageCollectorActor.class), mockShardName);
162 mockShardActor.underlyingActor().clear();
166 public void tearDown() {
167 InMemoryJournal.clear();
168 InMemorySnapshotStore.clear();
170 for(ActorSystem system: actorSystems) {
171 JavaTestKit.shutdownActorSystem(system, null, Boolean.TRUE);
174 actorFactory.close();
177 private ActorSystem newActorSystem(String config) {
178 ActorSystem system = ActorSystem.create("cluster-test", ConfigFactory.load().getConfig(config));
179 actorSystems.add(system);
183 private ActorRef newMockShardActor(ActorSystem system, String shardName, String memberName) {
184 String name = new ShardIdentifier(shardName, memberName,"config").toString();
185 if(system == getSystem()) {
186 return actorFactory.createTestActor(Props.create(MessageCollectorActor.class), name);
189 return TestActorRef.create(system, Props.create(MessageCollectorActor.class), name);
192 private Props newShardMgrProps() {
193 return newShardMgrProps(new MockConfiguration());
196 private static DatastoreContextFactory newDatastoreContextFactory(DatastoreContext datastoreContext) {
197 DatastoreContextFactory mockFactory = mock(DatastoreContextFactory.class);
198 Mockito.doReturn(datastoreContext).when(mockFactory).getBaseDatastoreContext();
199 Mockito.doReturn(datastoreContext).when(mockFactory).getShardDatastoreContext(Mockito.anyString());
203 private TestShardManager.Builder newTestShardMgrBuilder() {
204 return TestShardManager.builder(datastoreContextBuilder);
207 private TestShardManager.Builder newTestShardMgrBuilder(Configuration config) {
208 return TestShardManager.builder(datastoreContextBuilder).configuration(config);
211 private Props newShardMgrProps(Configuration config) {
212 return newTestShardMgrBuilder(config).props();
215 private TestShardManager.Builder newTestShardMgrBuilderWithMockShardActor() {
216 return newTestShardMgrBuilderWithMockShardActor(mockShardActor);
219 private TestShardManager.Builder newTestShardMgrBuilderWithMockShardActor(ActorRef shardActor) {
220 return TestShardManager.builder(datastoreContextBuilder).shardActor(shardActor);
224 private Props newPropsShardMgrWithMockShardActor() {
225 return newTestShardMgrBuilderWithMockShardActor().props();
228 private Props newPropsShardMgrWithMockShardActor(ActorRef shardActor) {
229 return newTestShardMgrBuilderWithMockShardActor(shardActor).props();
233 private TestShardManager newTestShardManager() {
234 return newTestShardManager(newShardMgrProps());
237 private TestShardManager newTestShardManager(Props props) {
238 TestActorRef<TestShardManager> shardManagerActor = actorFactory.createTestActor(props);
239 TestShardManager shardManager = shardManagerActor.underlyingActor();
240 shardManager.waitForRecoveryComplete();
244 private void waitForShardInitialized(ActorRef shardManager, String shardName, JavaTestKit kit) {
245 AssertionError last = null;
246 Stopwatch sw = Stopwatch.createStarted();
247 while(sw.elapsed(TimeUnit.SECONDS) <= 5) {
249 shardManager.tell(new FindLocalShard(shardName, true), kit.getRef());
250 kit.expectMsgClass(LocalShardFound.class);
252 } catch(AssertionError e) {
256 Uninterruptibles.sleepUninterruptibly(50, TimeUnit.MILLISECONDS);
262 private <T> T expectMsgClassOrFailure(Class<T> msgClass, JavaTestKit kit, String msg) {
263 Object reply = kit.expectMsgAnyClassOf(JavaTestKit.duration("5 sec"), msgClass, Failure.class);
264 if(reply instanceof Failure) {
265 throw new AssertionError(msg + " failed", ((Failure)reply).cause());
272 public void testPerShardDatastoreContext() throws Exception {
273 LOG.info("testPerShardDatastoreContext starting");
274 final DatastoreContextFactory mockFactory = newDatastoreContextFactory(
275 datastoreContextBuilder.shardElectionTimeoutFactor(5).build());
277 Mockito.doReturn(DatastoreContext.newBuilderFrom(datastoreContextBuilder.build()).
278 shardElectionTimeoutFactor(6).build()).when(mockFactory).getShardDatastoreContext("default");
280 Mockito.doReturn(DatastoreContext.newBuilderFrom(datastoreContextBuilder.build()).
281 shardElectionTimeoutFactor(7).build()).when(mockFactory).getShardDatastoreContext("topology");
283 final MockConfiguration mockConfig = new MockConfiguration() {
285 public Collection<String> getMemberShardNames(String memberName) {
286 return Arrays.asList("default", "topology");
290 public Collection<String> getMembersFromShardName(String shardName) {
291 return Arrays.asList("member-1");
295 final TestActorRef<MessageCollectorActor> defaultShardActor = actorFactory.createTestActor(
296 Props.create(MessageCollectorActor.class), actorFactory.generateActorId("default"));
297 final TestActorRef<MessageCollectorActor> topologyShardActor = actorFactory.createTestActor(
298 Props.create(MessageCollectorActor.class), actorFactory.generateActorId("topology"));
300 final Map<String, Entry<ActorRef, DatastoreContext>> shardInfoMap = Collections.synchronizedMap(
301 new HashMap<String, Entry<ActorRef, DatastoreContext>>());
302 shardInfoMap.put("default", new AbstractMap.SimpleEntry<ActorRef, DatastoreContext>(defaultShardActor, null));
303 shardInfoMap.put("topology", new AbstractMap.SimpleEntry<ActorRef, DatastoreContext>(topologyShardActor, null));
305 final PrimaryShardInfoFutureCache primaryShardInfoCache = new PrimaryShardInfoFutureCache();
306 final CountDownLatch newShardActorLatch = new CountDownLatch(2);
307 class LocalShardManager extends ShardManager {
308 public LocalShardManager(AbstractBuilder<?> builder) {
313 protected ActorRef newShardActor(SchemaContext schemaContext, ShardInformation info) {
314 Entry<ActorRef, DatastoreContext> entry = shardInfoMap.get(info.getShardName());
317 ref = entry.getKey();
318 entry.setValue(info.getDatastoreContext());
321 newShardActorLatch.countDown();
326 final Creator<ShardManager> creator = new Creator<ShardManager>() {
327 private static final long serialVersionUID = 1L;
329 public ShardManager create() throws Exception {
330 return new LocalShardManager(new GenericBuilder<LocalShardManager>(LocalShardManager.class).
331 datastoreContextFactory(mockFactory).primaryShardInfoCache(primaryShardInfoCache).
332 configuration(mockConfig));
336 JavaTestKit kit = new JavaTestKit(getSystem());
338 final ActorRef shardManager = actorFactory.createActor(Props.create(
339 new DelegatingShardManagerCreator(creator)).withDispatcher(Dispatchers.DefaultDispatcherId()));
341 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), kit.getRef());
343 assertEquals("Shard actors created", true, newShardActorLatch.await(5, TimeUnit.SECONDS));
344 assertEquals("getShardElectionTimeoutFactor", 6, shardInfoMap.get("default").getValue().
345 getShardElectionTimeoutFactor());
346 assertEquals("getShardElectionTimeoutFactor", 7, shardInfoMap.get("topology").getValue().
347 getShardElectionTimeoutFactor());
349 DatastoreContextFactory newMockFactory = newDatastoreContextFactory(
350 datastoreContextBuilder.shardElectionTimeoutFactor(5).build());
351 Mockito.doReturn(DatastoreContext.newBuilderFrom(datastoreContextBuilder.build()).
352 shardElectionTimeoutFactor(66).build()).when(newMockFactory).getShardDatastoreContext("default");
354 Mockito.doReturn(DatastoreContext.newBuilderFrom(datastoreContextBuilder.build()).
355 shardElectionTimeoutFactor(77).build()).when(newMockFactory).getShardDatastoreContext("topology");
357 shardManager.tell(newMockFactory, kit.getRef());
359 DatastoreContext newContext = MessageCollectorActor.expectFirstMatching(defaultShardActor, DatastoreContext.class);
360 assertEquals("getShardElectionTimeoutFactor", 66, newContext.getShardElectionTimeoutFactor());
362 newContext = MessageCollectorActor.expectFirstMatching(topologyShardActor, DatastoreContext.class);
363 assertEquals("getShardElectionTimeoutFactor", 77, newContext.getShardElectionTimeoutFactor());
365 LOG.info("testPerShardDatastoreContext ending");
369 public void testOnReceiveFindPrimaryForNonExistentShard() throws Exception {
370 new JavaTestKit(getSystem()) {{
371 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
373 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
375 shardManager.tell(new FindPrimary("non-existent", false), getRef());
377 expectMsgClass(duration("5 seconds"), PrimaryNotFoundException.class);
382 public void testOnReceiveFindPrimaryForLocalLeaderShard() throws Exception {
383 LOG.info("testOnReceiveFindPrimaryForLocalLeaderShard starting");
384 new JavaTestKit(getSystem()) {{
385 String memberId = "member-1-shard-default-" + shardMrgIDSuffix;
387 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
389 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
390 shardManager.tell(new ActorInitialized(), mockShardActor);
392 DataTree mockDataTree = mock(DataTree.class);
393 shardManager.tell(new ShardLeaderStateChanged(memberId, memberId, Optional.of(mockDataTree),
394 DataStoreVersions.CURRENT_VERSION), getRef());
396 MessageCollectorActor.expectFirstMatching(mockShardActor, RegisterRoleChangeListener.class);
397 shardManager.tell((new RoleChangeNotification(memberId, RaftState.Candidate.name(),
398 RaftState.Leader.name())), mockShardActor);
400 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, false), getRef());
402 LocalPrimaryShardFound primaryFound = expectMsgClass(duration("5 seconds"), LocalPrimaryShardFound.class);
403 assertTrue("Unexpected primary path " + primaryFound.getPrimaryPath(),
404 primaryFound.getPrimaryPath().contains("member-1-shard-default"));
405 assertSame("getLocalShardDataTree", mockDataTree, primaryFound.getLocalShardDataTree());
408 LOG.info("testOnReceiveFindPrimaryForLocalLeaderShard ending");
412 public void testOnReceiveFindPrimaryForNonLocalLeaderShardBeforeMemberUp() throws Exception {
413 LOG.info("testOnReceiveFindPrimaryForNonLocalLeaderShardBeforeMemberUp starting");
414 new JavaTestKit(getSystem()) {{
415 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
417 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
418 shardManager.tell(new ActorInitialized(), mockShardActor);
420 String memberId2 = "member-2-shard-default-" + shardMrgIDSuffix;
421 String memberId1 = "member-1-shard-default-" + shardMrgIDSuffix;
422 shardManager.tell(new RoleChangeNotification(memberId1,
423 RaftState.Candidate.name(), RaftState.Follower.name()), mockShardActor);
424 shardManager.tell(new LeaderStateChanged(memberId1, memberId2, DataStoreVersions.CURRENT_VERSION), mockShardActor);
426 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, false), getRef());
428 expectMsgClass(duration("5 seconds"), NoShardLeaderException.class);
431 LOG.info("testOnReceiveFindPrimaryForNonLocalLeaderShardBeforeMemberUp ending");
435 public void testOnReceiveFindPrimaryForNonLocalLeaderShard() throws Exception {
436 LOG.info("testOnReceiveFindPrimaryForNonLocalLeaderShard starting");
437 new JavaTestKit(getSystem()) {{
438 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
440 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
441 shardManager.tell(new ActorInitialized(), mockShardActor);
443 String memberId2 = "member-2-shard-default-" + shardMrgIDSuffix;
444 MockClusterWrapper.sendMemberUp(shardManager, "member-2", getRef().path().toString());
446 String memberId1 = "member-1-shard-default-" + shardMrgIDSuffix;
447 shardManager.tell(new RoleChangeNotification(memberId1,
448 RaftState.Candidate.name(), RaftState.Follower.name()), mockShardActor);
449 short leaderVersion = DataStoreVersions.CURRENT_VERSION - 1;
450 shardManager.tell(new ShardLeaderStateChanged(memberId1, memberId2, Optional.<DataTree>absent(),
451 leaderVersion), mockShardActor);
453 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, false), getRef());
455 RemotePrimaryShardFound primaryFound = expectMsgClass(duration("5 seconds"), RemotePrimaryShardFound.class);
456 assertTrue("Unexpected primary path " + primaryFound.getPrimaryPath(),
457 primaryFound.getPrimaryPath().contains("member-2-shard-default"));
458 assertEquals("getPrimaryVersion", leaderVersion, primaryFound.getPrimaryVersion());
461 LOG.info("testOnReceiveFindPrimaryForNonLocalLeaderShard ending");
465 public void testOnReceiveFindPrimaryForUninitializedShard() throws Exception {
466 new JavaTestKit(getSystem()) {{
467 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
469 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, false), getRef());
471 expectMsgClass(duration("5 seconds"), NotInitializedException.class);
476 public void testOnReceiveFindPrimaryForInitializedShardWithNoRole() throws Exception {
477 new JavaTestKit(getSystem()) {{
478 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
480 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
481 shardManager.tell(new ActorInitialized(), mockShardActor);
483 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, false), getRef());
485 expectMsgClass(duration("5 seconds"), NoShardLeaderException.class);
490 public void testOnReceiveFindPrimaryForFollowerShardWithNoInitialLeaderId() throws Exception {
491 LOG.info("testOnReceiveFindPrimaryForFollowerShardWithNoInitialLeaderId starting");
492 new JavaTestKit(getSystem()) {{
493 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
495 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
496 shardManager.tell(new ActorInitialized(), mockShardActor);
498 String memberId = "member-1-shard-default-" + shardMrgIDSuffix;
499 shardManager.tell(new RoleChangeNotification(memberId,
500 RaftState.Candidate.name(), RaftState.Follower.name()), mockShardActor);
502 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, false), getRef());
504 expectMsgClass(duration("5 seconds"), NoShardLeaderException.class);
506 DataTree mockDataTree = mock(DataTree.class);
507 shardManager.tell(new ShardLeaderStateChanged(memberId, memberId, Optional.of(mockDataTree),
508 DataStoreVersions.CURRENT_VERSION), mockShardActor);
510 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, false), getRef());
512 LocalPrimaryShardFound primaryFound = expectMsgClass(duration("5 seconds"), LocalPrimaryShardFound.class);
513 assertTrue("Unexpected primary path " + primaryFound.getPrimaryPath(),
514 primaryFound.getPrimaryPath().contains("member-1-shard-default"));
515 assertSame("getLocalShardDataTree", mockDataTree, primaryFound.getLocalShardDataTree());
518 LOG.info("testOnReceiveFindPrimaryForFollowerShardWithNoInitialLeaderId starting");
522 public void testOnReceiveFindPrimaryWaitForShardLeader() throws Exception {
523 LOG.info("testOnReceiveFindPrimaryWaitForShardLeader starting");
524 new JavaTestKit(getSystem()) {{
525 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
527 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
529 // We're passing waitUntilInitialized = true to FindPrimary so the response should be
530 // delayed until we send ActorInitialized and RoleChangeNotification.
531 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, true), getRef());
533 expectNoMsg(FiniteDuration.create(150, TimeUnit.MILLISECONDS));
535 shardManager.tell(new ActorInitialized(), mockShardActor);
537 expectNoMsg(FiniteDuration.create(150, TimeUnit.MILLISECONDS));
539 String memberId = "member-1-shard-default-" + shardMrgIDSuffix;
540 shardManager.tell(new RoleChangeNotification(memberId,
541 RaftState.Candidate.name(), RaftState.Leader.name()), mockShardActor);
543 expectNoMsg(FiniteDuration.create(150, TimeUnit.MILLISECONDS));
545 DataTree mockDataTree = mock(DataTree.class);
546 shardManager.tell(new ShardLeaderStateChanged(memberId, memberId, Optional.of(mockDataTree),
547 DataStoreVersions.CURRENT_VERSION), mockShardActor);
549 LocalPrimaryShardFound primaryFound = expectMsgClass(duration("5 seconds"), LocalPrimaryShardFound.class);
550 assertTrue("Unexpected primary path " + primaryFound.getPrimaryPath(),
551 primaryFound.getPrimaryPath().contains("member-1-shard-default"));
552 assertSame("getLocalShardDataTree", mockDataTree, primaryFound.getLocalShardDataTree() );
554 expectNoMsg(FiniteDuration.create(200, TimeUnit.MILLISECONDS));
557 LOG.info("testOnReceiveFindPrimaryWaitForShardLeader ending");
561 public void testOnReceiveFindPrimaryWaitForReadyWithUninitializedShard() throws Exception {
562 LOG.info("testOnReceiveFindPrimaryWaitForReadyWithUninitializedShard starting");
563 new JavaTestKit(getSystem()) {{
564 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
566 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
568 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, true), getRef());
570 expectMsgClass(duration("2 seconds"), NotInitializedException.class);
572 shardManager.tell(new ActorInitialized(), mockShardActor);
574 expectNoMsg(FiniteDuration.create(200, TimeUnit.MILLISECONDS));
577 LOG.info("testOnReceiveFindPrimaryWaitForReadyWithUninitializedShard ending");
581 public void testOnReceiveFindPrimaryWaitForReadyWithCandidateShard() throws Exception {
582 LOG.info("testOnReceiveFindPrimaryWaitForReadyWithCandidateShard starting");
583 new JavaTestKit(getSystem()) {{
584 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
586 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
587 shardManager.tell(new ActorInitialized(), mockShardActor);
588 shardManager.tell(new RoleChangeNotification("member-1-shard-default-" + shardMrgIDSuffix,
589 null, RaftState.Candidate.name()), mockShardActor);
591 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, true), getRef());
593 expectMsgClass(duration("2 seconds"), NoShardLeaderException.class);
596 LOG.info("testOnReceiveFindPrimaryWaitForReadyWithCandidateShard ending");
600 public void testOnReceiveFindPrimaryWaitForReadyWithIsolatedLeaderShard() throws Exception {
601 LOG.info("testOnReceiveFindPrimaryWaitForReadyWithIsolatedLeaderShard starting");
602 new JavaTestKit(getSystem()) {{
603 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
605 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
606 shardManager.tell(new ActorInitialized(), mockShardActor);
607 shardManager.tell(new RoleChangeNotification("member-1-shard-default-" + shardMrgIDSuffix,
608 null, RaftState.IsolatedLeader.name()), mockShardActor);
610 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, true), getRef());
612 expectMsgClass(duration("2 seconds"), NoShardLeaderException.class);
615 LOG.info("testOnReceiveFindPrimaryWaitForReadyWithIsolatedLeaderShard ending");
619 public void testOnReceiveFindPrimaryWaitForReadyWithNoRoleShard() throws Exception {
620 LOG.info("testOnReceiveFindPrimaryWaitForReadyWithNoRoleShard starting");
621 new JavaTestKit(getSystem()) {{
622 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
624 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
625 shardManager.tell(new ActorInitialized(), mockShardActor);
627 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, true), getRef());
629 expectMsgClass(duration("2 seconds"), NoShardLeaderException.class);
632 LOG.info("testOnReceiveFindPrimaryWaitForReadyWithNoRoleShard ending");
636 public void testOnReceiveFindPrimaryForRemoteShard() throws Exception {
637 LOG.info("testOnReceiveFindPrimaryForRemoteShard starting");
638 String shardManagerID = ShardManagerIdentifier.builder().type(shardMrgIDSuffix).build().toString();
640 // Create an ActorSystem ShardManager actor for member-1.
642 final ActorSystem system1 = newActorSystem("Member1");
643 Cluster.get(system1).join(AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558"));
645 final TestActorRef<TestShardManager> shardManager1 = TestActorRef.create(system1,
646 newTestShardMgrBuilderWithMockShardActor().cluster(
647 new ClusterWrapperImpl(system1)).props(), shardManagerID);
649 // Create an ActorSystem ShardManager actor for member-2.
651 final ActorSystem system2 = newActorSystem("Member2");
653 Cluster.get(system2).join(AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558"));
655 final ActorRef mockShardActor2 = newMockShardActor(system2, "astronauts", "member-2");
657 MockConfiguration mockConfig2 = new MockConfiguration(ImmutableMap.<String, List<String>>builder().
658 put("default", Arrays.asList("member-1", "member-2")).
659 put("astronauts", Arrays.asList("member-2")).build());
661 final TestActorRef<TestShardManager> shardManager2 = TestActorRef.create(system2,
662 newTestShardMgrBuilder(mockConfig2).shardActor(mockShardActor2).cluster(
663 new ClusterWrapperImpl(system2)).props(), shardManagerID);
665 new JavaTestKit(system1) {{
667 shardManager1.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
668 shardManager2.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
670 shardManager2.tell(new ActorInitialized(), mockShardActor2);
672 String memberId2 = "member-2-shard-astronauts-" + shardMrgIDSuffix;
673 short leaderVersion = DataStoreVersions.CURRENT_VERSION - 1;
674 shardManager2.tell(new ShardLeaderStateChanged(memberId2, memberId2,
675 Optional.of(mock(DataTree.class)), leaderVersion), mockShardActor2);
676 shardManager2.tell(new RoleChangeNotification(memberId2,
677 RaftState.Candidate.name(), RaftState.Leader.name()), mockShardActor2);
679 shardManager1.underlyingActor().waitForMemberUp();
681 shardManager1.tell(new FindPrimary("astronauts", false), getRef());
683 RemotePrimaryShardFound found = expectMsgClass(duration("5 seconds"), RemotePrimaryShardFound.class);
684 String path = found.getPrimaryPath();
685 assertTrue("Unexpected primary path " + path, path.contains("member-2-shard-astronauts-config"));
686 assertEquals("getPrimaryVersion", leaderVersion, found.getPrimaryVersion());
688 shardManager2.underlyingActor().verifyFindPrimary();
690 Cluster.get(system2).down(AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558"));
692 shardManager1.underlyingActor().waitForMemberRemoved();
694 shardManager1.tell(new FindPrimary("astronauts", false), getRef());
696 expectMsgClass(duration("5 seconds"), PrimaryNotFoundException.class);
699 LOG.info("testOnReceiveFindPrimaryForRemoteShard ending");
703 public void testShardAvailabilityOnChangeOfMemberReachability() throws Exception {
704 LOG.info("testShardAvailabilityOnChangeOfMemberReachability starting");
705 String shardManagerID = ShardManagerIdentifier.builder().type(shardMrgIDSuffix).build().toString();
707 // Create an ActorSystem ShardManager actor for member-1.
709 final ActorSystem system1 = newActorSystem("Member1");
710 Cluster.get(system1).join(AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558"));
712 final ActorRef mockShardActor1 = newMockShardActor(system1, Shard.DEFAULT_NAME, "member-1");
714 final TestActorRef<TestShardManager> shardManager1 = TestActorRef.create(system1,
715 newTestShardMgrBuilder().shardActor(mockShardActor1).cluster(
716 new ClusterWrapperImpl(system1)).props(), shardManagerID);
718 // Create an ActorSystem ShardManager actor for member-2.
720 final ActorSystem system2 = newActorSystem("Member2");
722 Cluster.get(system2).join(AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558"));
724 final ActorRef mockShardActor2 = newMockShardActor(system2, Shard.DEFAULT_NAME, "member-2");
726 MockConfiguration mockConfig2 = new MockConfiguration(ImmutableMap.<String, List<String>>builder().
727 put("default", Arrays.asList("member-1", "member-2")).build());
729 final TestActorRef<TestShardManager> shardManager2 = TestActorRef.create(system2,
730 newTestShardMgrBuilder(mockConfig2).shardActor(mockShardActor2).cluster(
731 new ClusterWrapperImpl(system2)).props(), shardManagerID);
733 new JavaTestKit(system1) {{
735 shardManager1.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
736 shardManager2.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
737 shardManager1.tell(new ActorInitialized(), mockShardActor1);
738 shardManager2.tell(new ActorInitialized(), mockShardActor2);
740 String memberId2 = "member-2-shard-default-" + shardMrgIDSuffix;
741 String memberId1 = "member-1-shard-default-" + shardMrgIDSuffix;
742 shardManager1.tell(new ShardLeaderStateChanged(memberId1, memberId2,
743 Optional.of(mock(DataTree.class)), DataStoreVersions.CURRENT_VERSION), mockShardActor1);
744 shardManager1.tell(new RoleChangeNotification(memberId1,
745 RaftState.Candidate.name(), RaftState.Follower.name()), mockShardActor1);
746 shardManager2.tell(new ShardLeaderStateChanged(memberId2, memberId2, Optional.of(mock(DataTree.class)),
747 DataStoreVersions.CURRENT_VERSION),
749 shardManager2.tell(new RoleChangeNotification(memberId2,
750 RaftState.Candidate.name(), RaftState.Leader.name()), mockShardActor2);
751 shardManager1.underlyingActor().waitForMemberUp();
753 shardManager1.tell(new FindPrimary("default", true), getRef());
755 RemotePrimaryShardFound found = expectMsgClass(duration("5 seconds"), RemotePrimaryShardFound.class);
756 String path = found.getPrimaryPath();
757 assertTrue("Unexpected primary path " + path, path.contains("member-2-shard-default-config"));
759 shardManager1.underlyingActor().onReceiveCommand(MockClusterWrapper.
760 createUnreachableMember("member-2", "akka.tcp://cluster-test@127.0.0.1:2558"));
762 shardManager1.underlyingActor().waitForUnreachableMember();
764 PeerDown peerDown = MessageCollectorActor.expectFirstMatching(mockShardActor1, PeerDown.class);
765 assertEquals("getMemberName", "member-2", peerDown.getMemberName());
766 MessageCollectorActor.clearMessages(mockShardActor1);
768 shardManager1.underlyingActor().onReceiveCommand(MockClusterWrapper.
769 createMemberRemoved("member-2", "akka.tcp://cluster-test@127.0.0.1:2558"));
771 MessageCollectorActor.expectFirstMatching(mockShardActor1, PeerDown.class);
773 shardManager1.tell(new FindPrimary("default", true), getRef());
775 expectMsgClass(duration("5 seconds"), NoShardLeaderException.class);
777 shardManager1.underlyingActor().onReceiveCommand(MockClusterWrapper.
778 createReachableMember("member-2", "akka.tcp://cluster-test@127.0.0.1:2558"));
780 shardManager1.underlyingActor().waitForReachableMember();
782 PeerUp peerUp = MessageCollectorActor.expectFirstMatching(mockShardActor1, PeerUp.class);
783 assertEquals("getMemberName", "member-2", peerUp.getMemberName());
784 MessageCollectorActor.clearMessages(mockShardActor1);
786 shardManager1.tell(new FindPrimary("default", true), getRef());
788 RemotePrimaryShardFound found1 = expectMsgClass(duration("5 seconds"), RemotePrimaryShardFound.class);
789 String path1 = found1.getPrimaryPath();
790 assertTrue("Unexpected primary path " + path1, path1.contains("member-2-shard-default-config"));
792 shardManager1.underlyingActor().onReceiveCommand(MockClusterWrapper.
793 createMemberUp("member-2", "akka.tcp://cluster-test@127.0.0.1:2558"));
795 MessageCollectorActor.expectFirstMatching(mockShardActor1, PeerUp.class);
797 // Test FindPrimary wait succeeds after reachable member event.
799 shardManager1.underlyingActor().onReceiveCommand(MockClusterWrapper.
800 createUnreachableMember("member-2", "akka.tcp://cluster-test@127.0.0.1:2558"));
801 shardManager1.underlyingActor().waitForUnreachableMember();
803 shardManager1.tell(new FindPrimary("default", true), getRef());
805 shardManager1.underlyingActor().onReceiveCommand(MockClusterWrapper.
806 createReachableMember("member-2", "akka.tcp://cluster-test@127.0.0.1:2558"));
808 RemotePrimaryShardFound found2 = expectMsgClass(duration("5 seconds"), RemotePrimaryShardFound.class);
809 String path2 = found2.getPrimaryPath();
810 assertTrue("Unexpected primary path " + path2, path2.contains("member-2-shard-default-config"));
813 LOG.info("testShardAvailabilityOnChangeOfMemberReachability ending");
817 public void testShardAvailabilityChangeOnMemberUnreachableAndLeadershipChange() throws Exception {
818 LOG.info("testShardAvailabilityChangeOnMemberUnreachableAndLeadershipChange starting");
819 String shardManagerID = ShardManagerIdentifier.builder().type(shardMrgIDSuffix).build().toString();
821 // Create an ActorSystem ShardManager actor for member-1.
823 final ActorSystem system1 = newActorSystem("Member1");
824 Cluster.get(system1).join(AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558"));
826 final ActorRef mockShardActor1 = newMockShardActor(system1, Shard.DEFAULT_NAME, "member-1");
828 final PrimaryShardInfoFutureCache primaryShardInfoCache = new PrimaryShardInfoFutureCache();
829 final TestActorRef<TestShardManager> shardManager1 = TestActorRef.create(system1,
830 newTestShardMgrBuilder().shardActor(mockShardActor1).cluster(
831 new ClusterWrapperImpl(system1)).primaryShardInfoCache(primaryShardInfoCache).props(),
834 // Create an ActorSystem ShardManager actor for member-2.
836 final ActorSystem system2 = newActorSystem("Member2");
838 Cluster.get(system2).join(AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558"));
840 final ActorRef mockShardActor2 = newMockShardActor(system2, Shard.DEFAULT_NAME, "member-2");
842 MockConfiguration mockConfig2 = new MockConfiguration(ImmutableMap.<String, List<String>>builder().
843 put("default", Arrays.asList("member-1", "member-2")).build());
845 final TestActorRef<TestShardManager> shardManager2 = TestActorRef.create(system2,
846 newTestShardMgrBuilder(mockConfig2).shardActor(mockShardActor2).cluster(
847 new ClusterWrapperImpl(system2)).props(), shardManagerID);
849 new JavaTestKit(system1) {{
850 shardManager1.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
851 shardManager2.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
852 shardManager1.tell(new ActorInitialized(), mockShardActor1);
853 shardManager2.tell(new ActorInitialized(), mockShardActor2);
855 String memberId2 = "member-2-shard-default-" + shardMrgIDSuffix;
856 String memberId1 = "member-1-shard-default-" + shardMrgIDSuffix;
857 shardManager1.tell(new ShardLeaderStateChanged(memberId1, memberId2,
858 Optional.of(mock(DataTree.class)), DataStoreVersions.CURRENT_VERSION), mockShardActor1);
859 shardManager1.tell(new RoleChangeNotification(memberId1,
860 RaftState.Candidate.name(), RaftState.Follower.name()), mockShardActor1);
861 shardManager2.tell(new ShardLeaderStateChanged(memberId2, memberId2, Optional.of(mock(DataTree.class)),
862 DataStoreVersions.CURRENT_VERSION),
864 shardManager2.tell(new RoleChangeNotification(memberId2,
865 RaftState.Candidate.name(), RaftState.Leader.name()), mockShardActor2);
866 shardManager1.underlyingActor().waitForMemberUp();
868 shardManager1.tell(new FindPrimary("default", true), getRef());
870 RemotePrimaryShardFound found = expectMsgClass(duration("5 seconds"), RemotePrimaryShardFound.class);
871 String path = found.getPrimaryPath();
872 assertTrue("Unexpected primary path " + path, path.contains("member-2-shard-default-config"));
874 primaryShardInfoCache.putSuccessful("default", new PrimaryShardInfo(system1.actorSelection(
875 mockShardActor1.path()), DataStoreVersions.CURRENT_VERSION, Optional.<DataTree>absent()));
877 shardManager1.underlyingActor().onReceiveCommand(MockClusterWrapper.
878 createUnreachableMember("member-2", "akka.tcp://cluster-test@127.0.0.1:2558"));
880 shardManager1.underlyingActor().waitForUnreachableMember();
882 shardManager1.tell(new FindPrimary("default", true), getRef());
884 expectMsgClass(duration("5 seconds"), NoShardLeaderException.class);
886 assertNull("Expected primaryShardInfoCache entry removed", primaryShardInfoCache.getIfPresent("default"));
888 shardManager1.tell(new ShardLeaderStateChanged(memberId1, memberId1, Optional.of(mock(DataTree.class)),
889 DataStoreVersions.CURRENT_VERSION), mockShardActor1);
890 shardManager1.tell(new RoleChangeNotification(memberId1,
891 RaftState.Follower.name(), RaftState.Leader.name()), mockShardActor1);
893 shardManager1.tell(new FindPrimary("default", true), getRef());
895 LocalPrimaryShardFound found1 = expectMsgClass(duration("5 seconds"), LocalPrimaryShardFound.class);
896 String path1 = found1.getPrimaryPath();
897 assertTrue("Unexpected primary path " + path1, path1.contains("member-1-shard-default-config"));
901 LOG.info("testShardAvailabilityChangeOnMemberUnreachableAndLeadershipChange ending");
906 public void testOnReceiveFindLocalShardForNonExistentShard() throws Exception {
907 new JavaTestKit(getSystem()) {{
908 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
910 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
912 shardManager.tell(new FindLocalShard("non-existent", false), getRef());
914 LocalShardNotFound notFound = expectMsgClass(duration("5 seconds"), LocalShardNotFound.class);
916 assertEquals("getShardName", "non-existent", notFound.getShardName());
921 public void testOnReceiveFindLocalShardForExistentShard() throws Exception {
922 new JavaTestKit(getSystem()) {{
923 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
925 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
926 shardManager.tell(new ActorInitialized(), mockShardActor);
928 shardManager.tell(new FindLocalShard(Shard.DEFAULT_NAME, false), getRef());
930 LocalShardFound found = expectMsgClass(duration("5 seconds"), LocalShardFound.class);
932 assertTrue("Found path contains " + found.getPath().path().toString(),
933 found.getPath().path().toString().contains("member-1-shard-default-config"));
938 public void testOnReceiveFindLocalShardForNotInitializedShard() throws Exception {
939 new JavaTestKit(getSystem()) {{
940 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
942 shardManager.tell(new FindLocalShard(Shard.DEFAULT_NAME, false), getRef());
944 expectMsgClass(duration("5 seconds"), NotInitializedException.class);
949 public void testOnReceiveFindLocalShardWaitForShardInitialized() throws Exception {
950 LOG.info("testOnReceiveFindLocalShardWaitForShardInitialized starting");
951 new JavaTestKit(getSystem()) {{
952 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
954 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
956 // We're passing waitUntilInitialized = true to FindLocalShard so the response should be
957 // delayed until we send ActorInitialized.
958 Future<Object> future = Patterns.ask(shardManager, new FindLocalShard(Shard.DEFAULT_NAME, true),
959 new Timeout(5, TimeUnit.SECONDS));
961 shardManager.tell(new ActorInitialized(), mockShardActor);
963 Object resp = Await.result(future, duration("5 seconds"));
964 assertTrue("Expected: LocalShardFound, Actual: " + resp, resp instanceof LocalShardFound);
967 LOG.info("testOnReceiveFindLocalShardWaitForShardInitialized starting");
971 public void testOnRecoveryJournalIsCleaned() {
972 String persistenceID = "shard-manager-" + shardMrgIDSuffix;
973 InMemoryJournal.addEntry(persistenceID, 1L, new ShardManager.SchemaContextModules(
974 ImmutableSet.of("foo")));
975 InMemoryJournal.addEntry(persistenceID, 2L, new ShardManager.SchemaContextModules(
976 ImmutableSet.of("bar")));
977 InMemoryJournal.addDeleteMessagesCompleteLatch(persistenceID);
979 TestShardManager shardManager = newTestShardManager();
981 InMemoryJournal.waitForDeleteMessagesComplete(persistenceID);
983 // Journal entries up to the last one should've been deleted
984 Map<Long, Object> journal = InMemoryJournal.get(persistenceID);
985 synchronized (journal) {
986 assertEquals("Journal size", 0, journal.size());
991 public void testRoleChangeNotificationAndShardLeaderStateChangedReleaseReady() throws Exception {
992 TestShardManager shardManager = newTestShardManager();
994 String memberId = "member-1-shard-default-" + shardMrgIDSuffix;
995 shardManager.onReceiveCommand(new RoleChangeNotification(
996 memberId, RaftState.Candidate.name(), RaftState.Leader.name()));
998 verify(ready, never()).countDown();
1000 shardManager.onReceiveCommand(new ShardLeaderStateChanged(memberId, memberId,
1001 Optional.of(mock(DataTree.class)), DataStoreVersions.CURRENT_VERSION));
1003 verify(ready, times(1)).countDown();
1007 public void testRoleChangeNotificationToFollowerWithShardLeaderStateChangedReleaseReady() throws Exception {
1008 new JavaTestKit(getSystem()) {{
1009 TestShardManager shardManager = newTestShardManager();
1011 String memberId = "member-1-shard-default-" + shardMrgIDSuffix;
1012 shardManager.onReceiveCommand(new RoleChangeNotification(
1013 memberId, null, RaftState.Follower.name()));
1015 verify(ready, never()).countDown();
1017 shardManager.onReceiveCommand(MockClusterWrapper.createMemberUp("member-2", getRef().path().toString()));
1019 shardManager.onReceiveCommand(new ShardLeaderStateChanged(memberId,
1020 "member-2-shard-default-" + shardMrgIDSuffix, Optional.of(mock(DataTree.class)),
1021 DataStoreVersions.CURRENT_VERSION));
1023 verify(ready, times(1)).countDown();
1028 public void testReadyCountDownForMemberUpAfterLeaderStateChanged() throws Exception {
1029 new JavaTestKit(getSystem()) {{
1030 TestShardManager shardManager = newTestShardManager();
1032 String memberId = "member-1-shard-default-" + shardMrgIDSuffix;
1033 shardManager.onReceiveCommand(new RoleChangeNotification(memberId, null, RaftState.Follower.name()));
1035 verify(ready, never()).countDown();
1037 shardManager.onReceiveCommand(new ShardLeaderStateChanged(memberId,
1038 "member-2-shard-default-" + shardMrgIDSuffix, Optional.of(mock(DataTree.class)),
1039 DataStoreVersions.CURRENT_VERSION));
1041 shardManager.onReceiveCommand(MockClusterWrapper.createMemberUp("member-2", getRef().path().toString()));
1043 verify(ready, times(1)).countDown();
1048 public void testRoleChangeNotificationDoNothingForUnknownShard() throws Exception {
1049 TestShardManager shardManager = newTestShardManager();
1051 shardManager.onReceiveCommand(new RoleChangeNotification(
1052 "unknown", RaftState.Candidate.name(), RaftState.Leader.name()));
1054 verify(ready, never()).countDown();
1058 public void testByDefaultSyncStatusIsFalse() throws Exception{
1059 TestShardManager shardManager = newTestShardManager();
1061 assertEquals(false, shardManager.getMBean().getSyncStatus());
1065 public void testWhenShardIsLeaderSyncStatusIsTrue() throws Exception{
1066 TestShardManager shardManager = newTestShardManager();
1068 shardManager.onReceiveCommand(new RoleChangeNotification("member-1-shard-default-" + shardMrgIDSuffix,
1069 RaftState.Follower.name(), RaftState.Leader.name()));
1071 assertEquals(true, shardManager.getMBean().getSyncStatus());
1075 public void testWhenShardIsCandidateSyncStatusIsFalse() throws Exception{
1076 TestShardManager shardManager = newTestShardManager();
1078 String shardId = "member-1-shard-default-" + shardMrgIDSuffix;
1079 shardManager.onReceiveCommand(new RoleChangeNotification(shardId,
1080 RaftState.Follower.name(), RaftState.Candidate.name()));
1082 assertEquals(false, shardManager.getMBean().getSyncStatus());
1084 // Send a FollowerInitialSyncStatus with status = true for the replica whose current state is candidate
1085 shardManager.onReceiveCommand(new FollowerInitialSyncUpStatus(
1088 assertEquals(false, shardManager.getMBean().getSyncStatus());
1092 public void testWhenShardIsFollowerSyncStatusDependsOnFollowerInitialSyncStatus() throws Exception{
1093 TestShardManager shardManager = newTestShardManager();
1095 String shardId = "member-1-shard-default-" + shardMrgIDSuffix;
1096 shardManager.onReceiveCommand(new RoleChangeNotification(shardId,
1097 RaftState.Candidate.name(), RaftState.Follower.name()));
1099 // Initially will be false
1100 assertEquals(false, shardManager.getMBean().getSyncStatus());
1102 // Send status true will make sync status true
1103 shardManager.onReceiveCommand(new FollowerInitialSyncUpStatus(true, shardId));
1105 assertEquals(true, shardManager.getMBean().getSyncStatus());
1107 // Send status false will make sync status false
1108 shardManager.onReceiveCommand(new FollowerInitialSyncUpStatus(false, shardId));
1110 assertEquals(false, shardManager.getMBean().getSyncStatus());
1115 public void testWhenMultipleShardsPresentSyncStatusMustBeTrueForAllShards() throws Exception{
1116 LOG.info("testWhenMultipleShardsPresentSyncStatusMustBeTrueForAllShards starting");
1117 TestShardManager shardManager = newTestShardManager(newShardMgrProps(new MockConfiguration() {
1119 public List<String> getMemberShardNames(String memberName) {
1120 return Arrays.asList("default", "astronauts");
1124 // Initially will be false
1125 assertEquals(false, shardManager.getMBean().getSyncStatus());
1127 // Make default shard leader
1128 String defaultShardId = "member-1-shard-default-" + shardMrgIDSuffix;
1129 shardManager.onReceiveCommand(new RoleChangeNotification(defaultShardId,
1130 RaftState.Follower.name(), RaftState.Leader.name()));
1132 // default = Leader, astronauts is unknown so sync status remains false
1133 assertEquals(false, shardManager.getMBean().getSyncStatus());
1135 // Make astronauts shard leader as well
1136 String astronautsShardId = "member-1-shard-astronauts-" + shardMrgIDSuffix;
1137 shardManager.onReceiveCommand(new RoleChangeNotification(astronautsShardId,
1138 RaftState.Follower.name(), RaftState.Leader.name()));
1140 // Now sync status should be true
1141 assertEquals(true, shardManager.getMBean().getSyncStatus());
1143 // Make astronauts a Follower
1144 shardManager.onReceiveCommand(new RoleChangeNotification(astronautsShardId,
1145 RaftState.Leader.name(), RaftState.Follower.name()));
1147 // Sync status is not true
1148 assertEquals(false, shardManager.getMBean().getSyncStatus());
1150 // Make the astronauts follower sync status true
1151 shardManager.onReceiveCommand(new FollowerInitialSyncUpStatus(true, astronautsShardId));
1153 // Sync status is now true
1154 assertEquals(true, shardManager.getMBean().getSyncStatus());
1156 LOG.info("testWhenMultipleShardsPresentSyncStatusMustBeTrueForAllShards ending");
1160 public void testOnReceiveSwitchShardBehavior() throws Exception {
1161 new JavaTestKit(getSystem()) {{
1162 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
1164 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1165 shardManager.tell(new ActorInitialized(), mockShardActor);
1167 shardManager.tell(new SwitchShardBehavior(mockShardName, "Leader", 1000), getRef());
1169 SwitchBehavior switchBehavior = MessageCollectorActor.expectFirstMatching(mockShardActor, SwitchBehavior.class);
1171 assertEquals(RaftState.Leader, switchBehavior.getNewState());
1172 assertEquals(1000, switchBehavior.getNewTerm());
1177 public void testOnCreateShard() {
1178 LOG.info("testOnCreateShard starting");
1179 new JavaTestKit(getSystem()) {{
1180 datastoreContextBuilder.shardInitializationTimeout(1, TimeUnit.MINUTES).persistent(true);
1182 ActorRef shardManager = actorFactory.createActor(newShardMgrProps(
1183 new ConfigurationImpl(new EmptyModuleShardConfigProvider())));
1185 SchemaContext schemaContext = TestModel.createTestContext();
1186 shardManager.tell(new UpdateSchemaContext(schemaContext), ActorRef.noSender());
1188 DatastoreContext datastoreContext = DatastoreContext.newBuilder().shardElectionTimeoutFactor(100).
1189 persistent(false).build();
1190 Shard.Builder shardBuilder = Shard.builder();
1192 ModuleShardConfiguration config = new ModuleShardConfiguration(URI.create("foo-ns"), "foo-module",
1193 "foo", null, Arrays.asList("member-1", "member-5", "member-6"));
1194 shardManager.tell(new CreateShard(config, shardBuilder, datastoreContext), getRef());
1196 expectMsgClass(duration("5 seconds"), Success.class);
1198 shardManager.tell(new FindLocalShard("foo", true), getRef());
1200 expectMsgClass(duration("5 seconds"), LocalShardFound.class);
1202 assertEquals("isRecoveryApplicable", false, shardBuilder.getDatastoreContext().isPersistent());
1203 assertTrue("Epxected ShardPeerAddressResolver", shardBuilder.getDatastoreContext().getShardRaftConfig().
1204 getPeerAddressResolver() instanceof ShardPeerAddressResolver);
1205 assertEquals("peerMembers", Sets.newHashSet(new ShardIdentifier("foo", "member-5", shardMrgIDSuffix).toString(),
1206 new ShardIdentifier("foo", "member-6", shardMrgIDSuffix).toString()),
1207 shardBuilder.getPeerAddresses().keySet());
1208 assertEquals("ShardIdentifier", new ShardIdentifier("foo", "member-1", shardMrgIDSuffix),
1209 shardBuilder.getId());
1210 assertSame("schemaContext", schemaContext, shardBuilder.getSchemaContext());
1212 // Send CreateShard with same name - should return Success with a message.
1214 shardManager.tell(new CreateShard(config, shardBuilder, null), getRef());
1216 Success success = expectMsgClass(duration("5 seconds"), Success.class);
1217 assertNotNull("Success status is null", success.status());
1220 LOG.info("testOnCreateShard ending");
1224 public void testOnCreateShardWithLocalMemberNotInShardConfig() {
1225 LOG.info("testOnCreateShardWithLocalMemberNotInShardConfig starting");
1226 new JavaTestKit(getSystem()) {{
1227 datastoreContextBuilder.shardInitializationTimeout(1, TimeUnit.MINUTES).persistent(true);
1229 ActorRef shardManager = actorFactory.createActor(newShardMgrProps(
1230 new ConfigurationImpl(new EmptyModuleShardConfigProvider())));
1232 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), ActorRef.noSender());
1234 Shard.Builder shardBuilder = Shard.builder();
1235 ModuleShardConfiguration config = new ModuleShardConfiguration(URI.create("foo-ns"), "foo-module",
1236 "foo", null, Arrays.asList("member-5", "member-6"));
1238 shardManager.tell(new CreateShard(config, shardBuilder, null), getRef());
1239 expectMsgClass(duration("5 seconds"), Success.class);
1241 shardManager.tell(new FindLocalShard("foo", true), getRef());
1242 expectMsgClass(duration("5 seconds"), LocalShardFound.class);
1244 assertEquals("peerMembers size", 0, shardBuilder.getPeerAddresses().size());
1245 assertEquals("schemaContext", DisableElectionsRaftPolicy.class.getName(),
1246 shardBuilder.getDatastoreContext().getShardRaftConfig().getCustomRaftPolicyImplementationClass());
1249 LOG.info("testOnCreateShardWithLocalMemberNotInShardConfig ending");
1253 public void testOnCreateShardWithNoInitialSchemaContext() {
1254 LOG.info("testOnCreateShardWithNoInitialSchemaContext starting");
1255 new JavaTestKit(getSystem()) {{
1256 ActorRef shardManager = actorFactory.createActor(newShardMgrProps(
1257 new ConfigurationImpl(new EmptyModuleShardConfigProvider())));
1259 Shard.Builder shardBuilder = Shard.builder();
1261 ModuleShardConfiguration config = new ModuleShardConfiguration(URI.create("foo-ns"), "foo-module",
1262 "foo", null, Arrays.asList("member-1"));
1263 shardManager.tell(new CreateShard(config, shardBuilder, null), getRef());
1265 expectMsgClass(duration("5 seconds"), Success.class);
1267 SchemaContext schemaContext = TestModel.createTestContext();
1268 shardManager.tell(new UpdateSchemaContext(schemaContext), ActorRef.noSender());
1270 shardManager.tell(new FindLocalShard("foo", true), getRef());
1272 expectMsgClass(duration("5 seconds"), LocalShardFound.class);
1274 assertSame("schemaContext", schemaContext, shardBuilder.getSchemaContext());
1275 assertNotNull("schemaContext is null", shardBuilder.getDatastoreContext());
1278 LOG.info("testOnCreateShardWithNoInitialSchemaContext ending");
1282 public void testGetSnapshot() throws Throwable {
1283 LOG.info("testGetSnapshot starting");
1284 JavaTestKit kit = new JavaTestKit(getSystem());
1286 MockConfiguration mockConfig = new MockConfiguration(ImmutableMap.<String, List<String>>builder().
1287 put("shard1", Arrays.asList("member-1")).
1288 put("shard2", Arrays.asList("member-1")).
1289 put("astronauts", Collections.<String>emptyList()).build());
1291 TestActorRef<TestShardManager> shardManager = actorFactory.createTestActor(newShardMgrProps(mockConfig).
1292 withDispatcher(Dispatchers.DefaultDispatcherId()));
1294 shardManager.tell(GetSnapshot.INSTANCE, kit.getRef());
1295 Failure failure = kit.expectMsgClass(Failure.class);
1296 assertEquals("Failure cause type", IllegalStateException.class, failure.cause().getClass());
1298 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), ActorRef.noSender());
1300 waitForShardInitialized(shardManager, "shard1", kit);
1301 waitForShardInitialized(shardManager, "shard2", kit);
1303 shardManager.tell(GetSnapshot.INSTANCE, kit.getRef());
1305 DatastoreSnapshot datastoreSnapshot = expectMsgClassOrFailure(DatastoreSnapshot.class, kit, "GetSnapshot");
1307 assertEquals("getType", shardMrgIDSuffix, datastoreSnapshot.getType());
1308 assertNull("Expected null ShardManagerSnapshot", datastoreSnapshot.getShardManagerSnapshot());
1310 Function<ShardSnapshot, String> shardNameTransformer = new Function<ShardSnapshot, String>() {
1312 public String apply(ShardSnapshot s) {
1317 assertEquals("Shard names", Sets.newHashSet("shard1", "shard2"), Sets.newHashSet(
1318 Lists.transform(datastoreSnapshot.getShardSnapshots(), shardNameTransformer)));
1320 // Add a new replica
1322 JavaTestKit mockShardLeaderKit = new JavaTestKit(getSystem());
1324 TestShardManager shardManagerInstance = shardManager.underlyingActor();
1325 shardManagerInstance.setMessageInterceptor(newFindPrimaryInterceptor(mockShardLeaderKit.getRef()));
1327 shardManager.tell(new AddShardReplica("astronauts"), kit.getRef());
1328 mockShardLeaderKit.expectMsgClass(AddServer.class);
1329 mockShardLeaderKit.reply(new AddServerReply(ServerChangeStatus.OK, ""));
1330 kit.expectMsgClass(Status.Success.class);
1331 waitForShardInitialized(shardManager, "astronauts", kit);
1333 // Send another GetSnapshot and verify
1335 shardManager.tell(GetSnapshot.INSTANCE, kit.getRef());
1336 datastoreSnapshot = expectMsgClassOrFailure(DatastoreSnapshot.class, kit, "GetSnapshot");
1338 assertEquals("Shard names", Sets.newHashSet("shard1", "shard2", "astronauts"), Sets.newHashSet(
1339 Lists.transform(datastoreSnapshot.getShardSnapshots(), shardNameTransformer)));
1341 byte[] snapshotBytes = datastoreSnapshot.getShardManagerSnapshot();
1342 assertNotNull("Expected ShardManagerSnapshot", snapshotBytes);
1343 ShardManagerSnapshot snapshot = SerializationUtils.deserialize(snapshotBytes);
1344 assertEquals("Shard names", Sets.newHashSet("shard1", "shard2", "astronauts"),
1345 Sets.newHashSet(snapshot.getShardList()));
1347 LOG.info("testGetSnapshot ending");
1351 public void testRestoreFromSnapshot() throws Throwable {
1352 LOG.info("testRestoreFromSnapshot starting");
1354 JavaTestKit kit = new JavaTestKit(getSystem());
1356 MockConfiguration mockConfig = new MockConfiguration(ImmutableMap.<String, List<String>>builder().
1357 put("shard1", Collections.<String>emptyList()).
1358 put("shard2", Collections.<String>emptyList()).
1359 put("astronauts", Collections.<String>emptyList()).build());
1362 ShardManagerSnapshot snapshot = new ShardManagerSnapshot(Arrays.asList("shard1", "shard2", "astronauts"));
1363 DatastoreSnapshot restoreFromSnapshot = new DatastoreSnapshot(shardMrgIDSuffix,
1364 SerializationUtils.serialize(snapshot), Collections.<ShardSnapshot>emptyList());
1365 TestActorRef<TestShardManager> shardManager = actorFactory.createTestActor(newTestShardMgrBuilder(mockConfig).
1366 restoreFromSnapshot(restoreFromSnapshot).props().withDispatcher(Dispatchers.DefaultDispatcherId()));
1368 shardManager.underlyingActor().waitForRecoveryComplete();
1370 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), ActorRef.noSender());
1372 waitForShardInitialized(shardManager, "shard1", kit);
1373 waitForShardInitialized(shardManager, "shard2", kit);
1374 waitForShardInitialized(shardManager, "astronauts", kit);
1376 shardManager.tell(GetSnapshot.INSTANCE, kit.getRef());
1378 DatastoreSnapshot datastoreSnapshot = expectMsgClassOrFailure(DatastoreSnapshot.class, kit, "GetSnapshot");
1380 assertEquals("getType", shardMrgIDSuffix, datastoreSnapshot.getType());
1382 byte[] snapshotBytes = datastoreSnapshot.getShardManagerSnapshot();
1383 assertNotNull("Expected ShardManagerSnapshot", snapshotBytes);
1384 snapshot = SerializationUtils.deserialize(snapshotBytes);
1385 assertEquals("Shard names", Sets.newHashSet("shard1", "shard2", "astronauts"),
1386 Sets.newHashSet(snapshot.getShardList()));
1388 LOG.info("testRestoreFromSnapshot ending");
1392 public void testAddShardReplicaForNonExistentShardConfig() throws Exception {
1393 new JavaTestKit(getSystem()) {{
1394 ActorRef shardManager = actorFactory.createActor(newShardMgrProps(
1395 new ConfigurationImpl(new EmptyModuleShardConfigProvider())));
1397 shardManager.tell(new AddShardReplica("model-inventory"), getRef());
1398 Status.Failure resp = expectMsgClass(duration("2 seconds"), Status.Failure.class);
1400 assertEquals("Failure obtained", true,
1401 (resp.cause() instanceof IllegalArgumentException));
1406 public void testAddShardReplica() throws Exception {
1407 MockConfiguration mockConfig =
1408 new MockConfiguration(ImmutableMap.<String, List<String>>builder().
1409 put("default", Arrays.asList("member-1", "member-2")).
1410 put("astronauts", Arrays.asList("member-2")).build());
1412 final String shardManagerID = ShardManagerIdentifier.builder().type(shardMrgIDSuffix).build().toString();
1413 datastoreContextBuilder.shardManagerPersistenceId(shardManagerID);
1415 // Create an ActorSystem ShardManager actor for member-1.
1416 final ActorSystem system1 = newActorSystem("Member1");
1417 Cluster.get(system1).join(AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558"));
1418 ActorRef mockDefaultShardActor = newMockShardActor(system1, Shard.DEFAULT_NAME, "member-1");
1419 final TestActorRef<TestShardManager> newReplicaShardManager = TestActorRef.create(system1,
1420 newTestShardMgrBuilder(mockConfig).shardActor(mockDefaultShardActor).cluster(
1421 new ClusterWrapperImpl(system1)).props(), shardManagerID);
1423 // Create an ActorSystem ShardManager actor for member-2.
1424 final ActorSystem system2 = newActorSystem("Member2");
1425 Cluster.get(system2).join(AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558"));
1427 String name = new ShardIdentifier("astronauts", "member-2", "config").toString();
1428 final TestActorRef<MockRespondActor> mockShardLeaderActor =
1429 TestActorRef.create(system2, Props.create(MockRespondActor.class), name);
1430 final TestActorRef<TestShardManager> leaderShardManager = TestActorRef.create(system2,
1431 newTestShardMgrBuilder(mockConfig).shardActor(mockShardLeaderActor).cluster(
1432 new ClusterWrapperImpl(system2)).props(), shardManagerID);
1434 new JavaTestKit(system1) {{
1436 newReplicaShardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1437 leaderShardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1439 leaderShardManager.tell(new ActorInitialized(), mockShardLeaderActor);
1441 String memberId2 = "member-2-shard-astronauts-" + shardMrgIDSuffix;
1442 short leaderVersion = DataStoreVersions.CURRENT_VERSION - 1;
1443 leaderShardManager.tell(new ShardLeaderStateChanged(memberId2, memberId2,
1444 Optional.of(mock(DataTree.class)), leaderVersion), mockShardLeaderActor);
1445 leaderShardManager.tell(new RoleChangeNotification(memberId2,
1446 RaftState.Candidate.name(), RaftState.Leader.name()), mockShardLeaderActor);
1448 newReplicaShardManager.underlyingActor().waitForMemberUp();
1449 leaderShardManager.underlyingActor().waitForMemberUp();
1451 //Have a dummy snapshot to be overwritten by the new data persisted.
1452 String[] restoredShards = {"default", "people"};
1453 ShardManagerSnapshot snapshot = new ShardManagerSnapshot(Arrays.asList(restoredShards));
1454 InMemorySnapshotStore.addSnapshot(shardManagerID, snapshot);
1455 Uninterruptibles.sleepUninterruptibly(2, TimeUnit.MILLISECONDS);
1457 InMemorySnapshotStore.addSnapshotSavedLatch(shardManagerID);
1458 InMemorySnapshotStore.addSnapshotDeletedLatch(shardManagerID);
1460 //construct a mock response message
1461 AddServerReply response = new AddServerReply(ServerChangeStatus.OK, memberId2);
1462 mockShardLeaderActor.underlyingActor().updateResponse(response);
1463 newReplicaShardManager.tell(new AddShardReplica("astronauts"), getRef());
1464 AddServer addServerMsg = MessageCollectorActor.expectFirstMatching(mockShardLeaderActor,
1466 String addServerId = "member-1-shard-astronauts-" + shardMrgIDSuffix;
1467 assertEquals("AddServer serverId", addServerId, addServerMsg.getNewServerId());
1468 expectMsgClass(duration("5 seconds"), Status.Success.class);
1470 InMemorySnapshotStore.waitForSavedSnapshot(shardManagerID, ShardManagerSnapshot.class);
1471 InMemorySnapshotStore.waitForDeletedSnapshot(shardManagerID);
1472 List<ShardManagerSnapshot> persistedSnapshots =
1473 InMemorySnapshotStore.getSnapshots(shardManagerID, ShardManagerSnapshot.class);
1474 assertEquals("Number of snapshots persisted", 1, persistedSnapshots.size());
1475 ShardManagerSnapshot shardManagerSnapshot = persistedSnapshots.get(0);
1476 assertEquals("Persisted local shards", Sets.newHashSet("default", "astronauts"),
1477 Sets.newHashSet(shardManagerSnapshot.getShardList()));
1480 LOG.info("testAddShardReplica ending");
1484 public void testAddShardReplicaWithPreExistingReplicaInRemoteShardLeader() throws Exception {
1485 LOG.info("testAddShardReplicaWithPreExistingReplicaInRemoteShardLeader starting");
1486 new JavaTestKit(getSystem()) {{
1487 TestActorRef<TestShardManager> shardManager = actorFactory.createTestActor(
1488 newPropsShardMgrWithMockShardActor(), shardMgrID);
1490 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1491 shardManager.tell(new ActorInitialized(), mockShardActor);
1493 String leaderId = "leader-member-shard-default-" + shardMrgIDSuffix;
1494 AddServerReply addServerReply = new AddServerReply(ServerChangeStatus.ALREADY_EXISTS, null);
1495 ActorRef leaderShardActor = shardManager.underlyingActor().getContext().actorOf(
1496 Props.create(MockRespondActor.class, addServerReply), leaderId);
1498 MockClusterWrapper.sendMemberUp(shardManager, "leader-member", leaderShardActor.path().toString());
1500 String newReplicaId = "member-1-shard-default-" + shardMrgIDSuffix;
1501 shardManager.tell(new RoleChangeNotification(newReplicaId,
1502 RaftState.Candidate.name(), RaftState.Follower.name()), mockShardActor);
1503 shardManager.tell(new ShardLeaderStateChanged(newReplicaId, leaderId, Optional.<DataTree>absent(),
1504 DataStoreVersions.CURRENT_VERSION), mockShardActor);
1506 shardManager.tell(new AddShardReplica(Shard.DEFAULT_NAME), getRef());
1508 MessageCollectorActor.expectFirstMatching(leaderShardActor, AddServer.class);
1510 Failure resp = expectMsgClass(duration("5 seconds"), Failure.class);
1511 assertEquals("Failure cause", AlreadyExistsException.class, resp.cause().getClass());
1513 shardManager.tell(new FindLocalShard(Shard.DEFAULT_NAME, false), getRef());
1514 expectMsgClass(duration("5 seconds"), LocalShardFound.class);
1516 // Send message again to verify previous in progress state is cleared
1518 shardManager.tell(new AddShardReplica(Shard.DEFAULT_NAME), getRef());
1519 resp = expectMsgClass(duration("5 seconds"), Failure.class);
1520 assertEquals("Failure cause", AlreadyExistsException.class, resp.cause().getClass());
1522 // Send message again with an AddServer timeout to verify the pre-existing shard actor isn't terminated.
1524 shardManager.tell(newDatastoreContextFactory(datastoreContextBuilder.
1525 shardLeaderElectionTimeout(100, TimeUnit.MILLISECONDS).build()), getRef());
1526 leaderShardActor.tell(MockRespondActor.CLEAR_RESPONSE, ActorRef.noSender());
1527 shardManager.tell(new AddShardReplica(Shard.DEFAULT_NAME), getRef());
1528 expectMsgClass(duration("5 seconds"), Failure.class);
1530 shardManager.tell(new FindLocalShard(Shard.DEFAULT_NAME, false), getRef());
1531 expectMsgClass(duration("5 seconds"), LocalShardFound.class);
1534 LOG.info("testAddShardReplicaWithPreExistingReplicaInRemoteShardLeader ending");
1538 public void testAddShardReplicaWithPreExistingLocalReplicaLeader() throws Exception {
1539 LOG.info("testAddShardReplicaWithPreExistingLocalReplicaLeader starting");
1540 new JavaTestKit(getSystem()) {{
1541 String memberId = "member-1-shard-default-" + shardMrgIDSuffix;
1542 ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
1544 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1545 shardManager.tell(new ActorInitialized(), mockShardActor);
1546 shardManager.tell(new ShardLeaderStateChanged(memberId, memberId, Optional.of(mock(DataTree.class)),
1547 DataStoreVersions.CURRENT_VERSION), getRef());
1548 shardManager.tell((new RoleChangeNotification(memberId, RaftState.Candidate.name(),
1549 RaftState.Leader.name())), mockShardActor);
1551 shardManager.tell(new AddShardReplica(Shard.DEFAULT_NAME), getRef());
1552 Failure resp = expectMsgClass(duration("5 seconds"), Failure.class);
1553 assertEquals("Failure cause", AlreadyExistsException.class, resp.cause().getClass());
1555 shardManager.tell(new FindLocalShard(Shard.DEFAULT_NAME, false), getRef());
1556 expectMsgClass(duration("5 seconds"), LocalShardFound.class);
1559 LOG.info("testAddShardReplicaWithPreExistingLocalReplicaLeader ending");
1563 public void testAddShardReplicaWithAddServerReplyFailure() throws Exception {
1564 LOG.info("testAddShardReplicaWithAddServerReplyFailure starting");
1565 new JavaTestKit(getSystem()) {{
1566 JavaTestKit mockShardLeaderKit = new JavaTestKit(getSystem());
1568 MockConfiguration mockConfig =
1569 new MockConfiguration(ImmutableMap.<String, List<String>>builder().
1570 put("astronauts", Arrays.asList("member-2")).build());
1572 ActorRef mockNewReplicaShardActor = newMockShardActor(getSystem(), "astronauts", "member-1");
1573 final TestActorRef<TestShardManager> shardManager = actorFactory.createTestActor(
1574 newTestShardMgrBuilder(mockConfig).shardActor(mockNewReplicaShardActor).props(), shardMgrID);
1575 shardManager.underlyingActor().setMessageInterceptor(newFindPrimaryInterceptor(mockShardLeaderKit.getRef()));
1577 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1579 JavaTestKit terminateWatcher = new JavaTestKit(getSystem());
1580 terminateWatcher.watch(mockNewReplicaShardActor);
1582 shardManager.tell(new AddShardReplica("astronauts"), getRef());
1584 AddServer addServerMsg = mockShardLeaderKit.expectMsgClass(AddServer.class);
1585 assertEquals("AddServer serverId", "member-1-shard-astronauts-" + shardMrgIDSuffix,
1586 addServerMsg.getNewServerId());
1587 mockShardLeaderKit.reply(new AddServerReply(ServerChangeStatus.TIMEOUT, null));
1589 Failure failure = expectMsgClass(duration("5 seconds"), Failure.class);
1590 assertEquals("Failure cause", TimeoutException.class, failure.cause().getClass());
1592 shardManager.tell(new FindLocalShard("astronauts", false), getRef());
1593 expectMsgClass(duration("5 seconds"), LocalShardNotFound.class);
1595 terminateWatcher.expectTerminated(mockNewReplicaShardActor);
1597 shardManager.tell(new AddShardReplica("astronauts"), getRef());
1598 mockShardLeaderKit.expectMsgClass(AddServer.class);
1599 mockShardLeaderKit.reply(new AddServerReply(ServerChangeStatus.NO_LEADER, null));
1600 failure = expectMsgClass(duration("5 seconds"), Failure.class);
1601 assertEquals("Failure cause", NoShardLeaderException.class, failure.cause().getClass());
1604 LOG.info("testAddShardReplicaWithAddServerReplyFailure ending");
1608 public void testAddShardReplicaWithAlreadyInProgress() throws Exception {
1609 testServerChangeWhenAlreadyInProgress("astronauts", new AddShardReplica("astronauts"),
1610 AddServer.class, new AddShardReplica("astronauts"));
1614 public void testAddShardReplicaWithFindPrimaryTimeout() throws Exception {
1615 LOG.info("testAddShardReplicaWithFindPrimaryTimeout starting");
1616 new JavaTestKit(getSystem()) {{
1617 MockConfiguration mockConfig = new MockConfiguration(ImmutableMap.<String, List<String>>builder().
1618 put("astronauts", Arrays.asList("member-2")).build());
1620 final ActorRef newReplicaShardManager = actorFactory.createActor(newTestShardMgrBuilder(mockConfig).
1621 shardActor(mockShardActor).props(), shardMgrID);
1623 newReplicaShardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1624 MockClusterWrapper.sendMemberUp(newReplicaShardManager, "member-2", getRef().path().toString());
1626 newReplicaShardManager.tell(new AddShardReplica("astronauts"), getRef());
1627 Status.Failure resp = expectMsgClass(duration("5 seconds"), Status.Failure.class);
1628 assertEquals("Failure obtained", true,
1629 (resp.cause() instanceof RuntimeException));
1632 LOG.info("testAddShardReplicaWithFindPrimaryTimeout ending");
1636 public void testRemoveShardReplicaForNonExistentShard() throws Exception {
1637 new JavaTestKit(getSystem()) {{
1638 ActorRef shardManager = actorFactory.createActor(newShardMgrProps(
1639 new ConfigurationImpl(new EmptyModuleShardConfigProvider())));
1641 shardManager.tell(new RemoveShardReplica("model-inventory", "member-1"), getRef());
1642 Status.Failure resp = expectMsgClass(duration("10 seconds"), Status.Failure.class);
1643 assertEquals("Failure obtained", true,
1644 (resp.cause() instanceof PrimaryNotFoundException));
1652 public void testRemoveShardReplicaLocal() throws Exception {
1653 new JavaTestKit(getSystem()) {{
1654 String memberId = "member-1-shard-default-" + shardMrgIDSuffix;
1656 final TestActorRef<MockRespondActor> respondActor =
1657 TestActorRef.create(getSystem(), Props.create(MockRespondActor.class), memberId);
1659 ActorRef shardManager = getSystem().actorOf(newPropsShardMgrWithMockShardActor(respondActor));
1661 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1662 shardManager.tell(new ActorInitialized(), respondActor);
1663 shardManager.tell(new ShardLeaderStateChanged(memberId, memberId, Optional.of(mock(DataTree.class)),
1664 DataStoreVersions.CURRENT_VERSION), getRef());
1665 shardManager.tell((new RoleChangeNotification(memberId, RaftState.Candidate.name(),
1666 RaftState.Leader.name())), respondActor);
1668 respondActor.underlyingActor().updateResponse(new RemoveServerReply(ServerChangeStatus.OK, null));
1669 shardManager.tell(new RemoveShardReplica(Shard.DEFAULT_NAME, "member-1"), getRef());
1670 final RemoveServer removeServer = MessageCollectorActor.expectFirstMatching(respondActor, RemoveServer.class);
1671 assertEquals(new ShardIdentifier("default", "member-1", shardMrgIDSuffix).toString(),
1672 removeServer.getServerId());
1673 expectMsgClass(duration("5 seconds"), Success.class);
1678 public void testRemoveShardReplicaRemote() throws Exception {
1679 MockConfiguration mockConfig =
1680 new MockConfiguration(ImmutableMap.<String, List<String>>builder().
1681 put("default", Arrays.asList("member-1", "member-2")).
1682 put("astronauts", Arrays.asList("member-1")).build());
1684 String shardManagerID = ShardManagerIdentifier.builder().type(shardMrgIDSuffix).build().toString();
1686 // Create an ActorSystem ShardManager actor for member-1.
1687 final ActorSystem system1 = newActorSystem("Member1");
1688 Cluster.get(system1).join(AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558"));
1689 ActorRef mockDefaultShardActor = newMockShardActor(system1, Shard.DEFAULT_NAME, "member-1");
1691 final TestActorRef<TestShardManager> newReplicaShardManager = TestActorRef.create(system1,
1692 newTestShardMgrBuilder().configuration(mockConfig).shardActor(mockDefaultShardActor).cluster(
1693 new ClusterWrapperImpl(system1)).props(),
1696 // Create an ActorSystem ShardManager actor for member-2.
1697 final ActorSystem system2 = newActorSystem("Member2");
1698 Cluster.get(system2).join(AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558"));
1700 String name = new ShardIdentifier("default", "member-2", shardMrgIDSuffix).toString();
1701 final TestActorRef<MockRespondActor> mockShardLeaderActor =
1702 TestActorRef.create(system2, Props.create(MockRespondActor.class), name);
1704 LOG.error("Mock Shard Leader Actor : {}", mockShardLeaderActor);
1706 final TestActorRef<TestShardManager> leaderShardManager = TestActorRef.create(system2,
1707 newTestShardMgrBuilder().configuration(mockConfig).shardActor(mockShardLeaderActor).cluster(
1708 new ClusterWrapperImpl(system2)).props(),
1711 // Because mockShardLeaderActor is created at the top level of the actor system it has an address like so,
1712 // akka.tcp://cluster-test@127.0.0.1:2559/user/member-2-shard-default-config1
1713 // However when a shard manager has a local shard which is a follower and a leader that is remote it will
1714 // try to compute an address for the remote shard leader using the ShardPeerAddressResolver. This address will
1716 // akka.tcp://cluster-test@127.0.0.1:2559/user/shardmanager-config1/member-2-shard-default-config1
1717 // In this specific case if we did a FindPrimary for shard default from member-1 we would come up
1718 // with the address of an actor which does not exist, therefore any message sent to that actor would go to
1720 // To work around this problem we create a ForwardingActor with the right address and pass to it the
1721 // mockShardLeaderActor. The ForwardingActor simply forwards all messages to the mockShardLeaderActor and every
1722 // thing works as expected
1723 final ActorRef actorRef = leaderShardManager.underlyingActor().context()
1724 .actorOf(Props.create(ForwardingActor.class, mockShardLeaderActor), "member-2-shard-default-" + shardMrgIDSuffix);
1726 LOG.error("Forwarding actor : {}", actorRef);
1728 new JavaTestKit(system1) {{
1730 newReplicaShardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1731 leaderShardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1733 leaderShardManager.tell(new ActorInitialized(), mockShardLeaderActor);
1734 newReplicaShardManager.tell(new ActorInitialized(), mockShardLeaderActor);
1736 String memberId2 = "member-2-shard-default-" + shardMrgIDSuffix;
1737 short leaderVersion = DataStoreVersions.CURRENT_VERSION - 1;
1738 leaderShardManager.tell(new ShardLeaderStateChanged(memberId2, memberId2,
1739 Optional.of(mock(DataTree.class)), leaderVersion), mockShardLeaderActor);
1740 leaderShardManager.tell(new RoleChangeNotification(memberId2,
1741 RaftState.Candidate.name(), RaftState.Leader.name()), mockShardLeaderActor);
1743 String memberId1 = "member-1-shard-default-" + shardMrgIDSuffix;
1744 newReplicaShardManager.tell(new ShardLeaderStateChanged(memberId1, memberId2,
1745 Optional.of(mock(DataTree.class)), leaderVersion), mockShardActor);
1746 newReplicaShardManager.tell(new RoleChangeNotification(memberId1,
1747 RaftState.Candidate.name(), RaftState.Follower.name()), mockShardActor);
1749 newReplicaShardManager.underlyingActor().waitForMemberUp();
1750 leaderShardManager.underlyingActor().waitForMemberUp();
1752 //construct a mock response message
1753 RemoveServerReply response = new RemoveServerReply(ServerChangeStatus.OK, memberId2);
1754 mockShardLeaderActor.underlyingActor().updateResponse(response);
1755 newReplicaShardManager.tell(new RemoveShardReplica("default", "member-1"), getRef());
1756 RemoveServer removeServer = MessageCollectorActor.expectFirstMatching(mockShardLeaderActor,
1757 RemoveServer.class);
1758 String removeServerId = new ShardIdentifier("default", "member-1", shardMrgIDSuffix).toString();
1759 assertEquals("RemoveServer serverId", removeServerId, removeServer.getServerId());
1760 expectMsgClass(duration("5 seconds"), Status.Success.class);
1766 public void testRemoveShardReplicaWhenAnotherRemoveShardReplicaAlreadyInProgress() throws Exception {
1767 testServerChangeWhenAlreadyInProgress("astronauts", new RemoveShardReplica("astronauts", "member-2"),
1768 RemoveServer.class, new RemoveShardReplica("astronauts", "member-3"));
1772 public void testRemoveShardReplicaWhenAddShardReplicaAlreadyInProgress() throws Exception {
1773 testServerChangeWhenAlreadyInProgress("astronauts", new AddShardReplica("astronauts"),
1774 AddServer.class, new RemoveShardReplica("astronauts", "member-2"));
1778 public void testServerChangeWhenAlreadyInProgress(final String shardName, final Object firstServerChange,
1779 final Class firstForwardedServerChangeClass,
1780 final Object secondServerChange) throws Exception {
1781 new JavaTestKit(getSystem()) {{
1782 JavaTestKit mockShardLeaderKit = new JavaTestKit(getSystem());
1783 JavaTestKit secondRequestKit = new JavaTestKit(getSystem());
1785 MockConfiguration mockConfig =
1786 new MockConfiguration(ImmutableMap.<String, List<String>>builder().
1787 put(shardName, Arrays.asList("member-2")).build());
1789 final TestActorRef<TestShardManager> shardManager = TestActorRef.create(getSystem(),
1790 newTestShardMgrBuilder().configuration(mockConfig).shardActor(mockShardActor).cluster(
1791 new MockClusterWrapper()).props(),
1794 shardManager.underlyingActor().setMessageInterceptor(newFindPrimaryInterceptor(mockShardLeaderKit.getRef()));
1796 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1798 shardManager.tell(firstServerChange, getRef());
1800 mockShardLeaderKit.expectMsgClass(firstForwardedServerChangeClass);
1802 shardManager.tell(secondServerChange, secondRequestKit.getRef());
1804 secondRequestKit.expectMsgClass(duration("5 seconds"), Failure.class);
1809 public void testServerRemovedShardActorNotRunning() throws Exception {
1810 LOG.info("testServerRemovedShardActorNotRunning starting");
1811 new JavaTestKit(getSystem()) {{
1812 MockConfiguration mockConfig =
1813 new MockConfiguration(ImmutableMap.<String, List<String>>builder().
1814 put("default", Arrays.asList("member-1", "member-2")).
1815 put("astronauts", Arrays.asList("member-2")).
1816 put("people", Arrays.asList("member-1", "member-2")).build());
1818 TestActorRef<TestShardManager> shardManager = actorFactory.createTestActor(newShardMgrProps(mockConfig));
1820 shardManager.underlyingActor().waitForRecoveryComplete();
1821 shardManager.tell(new FindLocalShard("people", false), getRef());
1822 expectMsgClass(duration("5 seconds"), NotInitializedException.class);
1824 shardManager.tell(new FindLocalShard("default", false), getRef());
1825 expectMsgClass(duration("5 seconds"), NotInitializedException.class);
1827 // Removed the default shard replica from member-1
1828 ShardIdentifier.Builder builder = new ShardIdentifier.Builder();
1829 ShardIdentifier shardId = builder.shardName("default").memberName("member-1").type(shardMrgIDSuffix).build();
1830 shardManager.tell(new ServerRemoved(shardId.toString()), getRef());
1832 shardManager.underlyingActor().verifySnapshotPersisted(Sets.newHashSet("people"));
1835 LOG.info("testServerRemovedShardActorNotRunning ending");
1839 public void testServerRemovedShardActorRunning() throws Exception {
1840 LOG.info("testServerRemovedShardActorRunning starting");
1841 new JavaTestKit(getSystem()) {{
1842 MockConfiguration mockConfig =
1843 new MockConfiguration(ImmutableMap.<String, List<String>>builder().
1844 put("default", Arrays.asList("member-1", "member-2")).
1845 put("astronauts", Arrays.asList("member-2")).
1846 put("people", Arrays.asList("member-1", "member-2")).build());
1848 String shardId = ShardIdentifier.builder().shardName("default").memberName("member-1").
1849 type(shardMrgIDSuffix).build().toString();
1850 TestActorRef<MessageCollectorActor> shard = actorFactory.createTestActor(
1851 MessageCollectorActor.props(), shardId);
1853 TestActorRef<TestShardManager> shardManager = actorFactory.createTestActor(
1854 newTestShardMgrBuilder(mockConfig).addShardActor("default", shard).props());
1858 shardManager.underlyingActor().waitForRecoveryComplete();
1860 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1861 shardManager.tell(new ActorInitialized(), shard);
1863 waitForShardInitialized(shardManager, "people", this);
1864 waitForShardInitialized(shardManager, "default", this);
1866 // Removed the default shard replica from member-1
1867 shardManager.tell(new ServerRemoved(shardId), getRef());
1869 shardManager.underlyingActor().verifySnapshotPersisted(Sets.newHashSet("people"));
1871 expectMsgClass(duration("5 seconds"), Terminated.class);
1874 LOG.info("testServerRemovedShardActorRunning ending");
1879 public void testShardPersistenceWithRestoredData() throws Exception {
1880 LOG.info("testShardPersistenceWithRestoredData starting");
1881 new JavaTestKit(getSystem()) {{
1882 MockConfiguration mockConfig =
1883 new MockConfiguration(ImmutableMap.<String, List<String>>builder().
1884 put("default", Arrays.asList("member-1", "member-2")).
1885 put("astronauts", Arrays.asList("member-2")).
1886 put("people", Arrays.asList("member-1", "member-2")).build());
1887 String[] restoredShards = {"default", "astronauts"};
1888 ShardManagerSnapshot snapshot = new ShardManagerSnapshot(Arrays.asList(restoredShards));
1889 InMemorySnapshotStore.addSnapshot("shard-manager-" + shardMrgIDSuffix, snapshot);
1891 //create shardManager to come up with restored data
1892 TestActorRef<TestShardManager> newRestoredShardManager = actorFactory.createTestActor(
1893 newShardMgrProps(mockConfig));
1895 newRestoredShardManager.underlyingActor().waitForRecoveryComplete();
1897 newRestoredShardManager.tell(new FindLocalShard("people", false), getRef());
1898 LocalShardNotFound notFound = expectMsgClass(duration("5 seconds"), LocalShardNotFound.class);
1899 assertEquals("for uninitialized shard", "people", notFound.getShardName());
1901 //Verify a local shard is created for the restored shards,
1902 //although we expect a NotInitializedException for the shards as the actor initialization
1903 //message is not sent for them
1904 newRestoredShardManager.tell(new FindLocalShard("default", false), getRef());
1905 expectMsgClass(duration("5 seconds"), NotInitializedException.class);
1907 newRestoredShardManager.tell(new FindLocalShard("astronauts", false), getRef());
1908 expectMsgClass(duration("5 seconds"), NotInitializedException.class);
1911 LOG.info("testShardPersistenceWithRestoredData ending");
1915 private static class TestShardManager extends ShardManager {
1916 private final CountDownLatch recoveryComplete = new CountDownLatch(1);
1917 private final CountDownLatch snapshotPersist = new CountDownLatch(1);
1918 private ShardManagerSnapshot snapshot;
1919 private final Map<String, ActorRef> shardActors;
1920 private final ActorRef shardActor;
1921 private CountDownLatch findPrimaryMessageReceived = new CountDownLatch(1);
1922 private CountDownLatch memberUpReceived = new CountDownLatch(1);
1923 private CountDownLatch memberRemovedReceived = new CountDownLatch(1);
1924 private CountDownLatch memberUnreachableReceived = new CountDownLatch(1);
1925 private CountDownLatch memberReachableReceived = new CountDownLatch(1);
1926 private volatile MessageInterceptor messageInterceptor;
1928 private TestShardManager(Builder builder) {
1930 shardActor = builder.shardActor;
1931 shardActors = builder.shardActors;
1935 public void handleRecover(Object message) throws Exception {
1937 super.handleRecover(message);
1939 if(message instanceof RecoveryCompleted) {
1940 recoveryComplete.countDown();
1946 public void handleCommand(Object message) throws Exception {
1948 if(messageInterceptor != null && messageInterceptor.canIntercept(message)) {
1949 getSender().tell(messageInterceptor.apply(message), getSelf());
1951 super.handleCommand(message);
1954 if(message instanceof FindPrimary) {
1955 findPrimaryMessageReceived.countDown();
1956 } else if(message instanceof ClusterEvent.MemberUp) {
1957 String role = ((ClusterEvent.MemberUp)message).member().roles().head();
1958 if(!getCluster().getCurrentMemberName().equals(role)) {
1959 memberUpReceived.countDown();
1961 } else if(message instanceof ClusterEvent.MemberRemoved) {
1962 String role = ((ClusterEvent.MemberRemoved)message).member().roles().head();
1963 if(!getCluster().getCurrentMemberName().equals(role)) {
1964 memberRemovedReceived.countDown();
1966 } else if(message instanceof ClusterEvent.UnreachableMember) {
1967 String role = ((ClusterEvent.UnreachableMember)message).member().roles().head();
1968 if(!getCluster().getCurrentMemberName().equals(role)) {
1969 memberUnreachableReceived.countDown();
1971 } else if(message instanceof ClusterEvent.ReachableMember) {
1972 String role = ((ClusterEvent.ReachableMember)message).member().roles().head();
1973 if(!getCluster().getCurrentMemberName().equals(role)) {
1974 memberReachableReceived.countDown();
1980 void setMessageInterceptor(MessageInterceptor messageInterceptor) {
1981 this.messageInterceptor = messageInterceptor;
1984 void waitForRecoveryComplete() {
1985 assertEquals("Recovery complete", true,
1986 Uninterruptibles.awaitUninterruptibly(recoveryComplete, 5, TimeUnit.SECONDS));
1989 void waitForMemberUp() {
1990 assertEquals("MemberUp received", true,
1991 Uninterruptibles.awaitUninterruptibly(memberUpReceived, 5, TimeUnit.SECONDS));
1992 memberUpReceived = new CountDownLatch(1);
1995 void waitForMemberRemoved() {
1996 assertEquals("MemberRemoved received", true,
1997 Uninterruptibles.awaitUninterruptibly(memberRemovedReceived, 5, TimeUnit.SECONDS));
1998 memberRemovedReceived = new CountDownLatch(1);
2001 void waitForUnreachableMember() {
2002 assertEquals("UnreachableMember received", true,
2003 Uninterruptibles.awaitUninterruptibly(memberUnreachableReceived, 5, TimeUnit.SECONDS
2005 memberUnreachableReceived = new CountDownLatch(1);
2008 void waitForReachableMember() {
2009 assertEquals("ReachableMember received", true,
2010 Uninterruptibles.awaitUninterruptibly(memberReachableReceived, 5, TimeUnit.SECONDS));
2011 memberReachableReceived = new CountDownLatch(1);
2014 void verifyFindPrimary() {
2015 assertEquals("FindPrimary received", true,
2016 Uninterruptibles.awaitUninterruptibly(findPrimaryMessageReceived, 5, TimeUnit.SECONDS));
2017 findPrimaryMessageReceived = new CountDownLatch(1);
2020 public static Builder builder(DatastoreContext.Builder datastoreContextBuilder) {
2021 return new Builder(datastoreContextBuilder);
2024 private static class Builder extends AbstractGenericBuilder<Builder, TestShardManager> {
2025 private ActorRef shardActor;
2026 private final Map<String, ActorRef> shardActors = new HashMap<>();
2028 Builder(DatastoreContext.Builder datastoreContextBuilder) {
2029 super(TestShardManager.class);
2030 datastoreContextFactory(newDatastoreContextFactory(datastoreContextBuilder.build()));
2033 Builder shardActor(ActorRef shardActor) {
2034 this.shardActor = shardActor;
2038 Builder addShardActor(String shardName, ActorRef actorRef){
2039 shardActors.put(shardName, actorRef);
2045 public void saveSnapshot(Object obj) {
2046 snapshot = (ShardManagerSnapshot) obj;
2047 snapshotPersist.countDown();
2048 super.saveSnapshot(obj);
2051 void verifySnapshotPersisted(Set<String> shardList) {
2052 assertEquals("saveSnapshot invoked", true,
2053 Uninterruptibles.awaitUninterruptibly(snapshotPersist, 5, TimeUnit.SECONDS));
2054 assertEquals("Shard Persisted", shardList, Sets.newHashSet(snapshot.getShardList()));
2058 protected ActorRef newShardActor(SchemaContext schemaContext, ShardInformation info) {
2059 if(shardActors.get(info.getShardName()) != null){
2060 return shardActors.get(info.getShardName());
2063 if(shardActor != null) {
2067 return super.newShardActor(schemaContext, info);
2071 private static abstract class AbstractGenericBuilder<T extends AbstractGenericBuilder<T, ?>, C extends ShardManager>
2072 extends ShardManager.AbstractBuilder<T> {
2073 private final Class<C> shardManagerClass;
2075 AbstractGenericBuilder(Class<C> shardManagerClass) {
2076 this.shardManagerClass = shardManagerClass;
2077 cluster(new MockClusterWrapper()).configuration(new MockConfiguration()).
2078 waitTillReadyCountdownLatch(ready).primaryShardInfoCache(new PrimaryShardInfoFutureCache());
2082 public Props props() {
2084 return Props.create(shardManagerClass, this);
2088 private static class GenericBuilder<C extends ShardManager> extends AbstractGenericBuilder<GenericBuilder<C>, C> {
2089 GenericBuilder(Class<C> shardManagerClass) {
2090 super(shardManagerClass);
2094 private static class DelegatingShardManagerCreator implements Creator<ShardManager> {
2095 private static final long serialVersionUID = 1L;
2096 private final Creator<ShardManager> delegate;
2098 public DelegatingShardManagerCreator(Creator<ShardManager> delegate) {
2099 this.delegate = delegate;
2103 public ShardManager create() throws Exception {
2104 return delegate.create();
2108 interface MessageInterceptor extends Function<Object, Object> {
2109 boolean canIntercept(Object message);
2112 private MessageInterceptor newFindPrimaryInterceptor(final ActorRef primaryActor) {
2113 return new MessageInterceptor(){
2115 public Object apply(Object message) {
2116 return new RemotePrimaryShardFound(Serialization.serializedActorPath(primaryActor), (short) 1);
2120 public boolean canIntercept(Object message) {
2121 return message instanceof FindPrimary;
2126 private static class MockRespondActor extends MessageCollectorActor {
2127 static final String CLEAR_RESPONSE = "clear-response";
2128 static final org.slf4j.Logger LOG = LoggerFactory.getLogger(MockRespondActor.class);
2130 private volatile Object responseMsg;
2132 @SuppressWarnings("unused")
2133 public MockRespondActor() {
2136 @SuppressWarnings("unused")
2137 public MockRespondActor(Object responseMsg) {
2138 this.responseMsg = responseMsg;
2141 public void updateResponse(Object response) {
2142 responseMsg = response;
2146 public void onReceive(Object message) throws Exception {
2147 if(!"get-all-messages".equals(message)) {
2148 LOG.debug("Received message : {}", message);
2150 super.onReceive(message);
2151 if (message instanceof AddServer && responseMsg != null) {
2152 getSender().tell(responseMsg, getSelf());
2153 } else if(message instanceof RemoveServer && responseMsg != null){
2154 getSender().tell(responseMsg, getSelf());
2155 } else if(message.equals(CLEAR_RESPONSE)) {